In 1963, a couple prowled the streets looking for unsuspecting victims. Ian Brady and Myra Hindley were truly a match made in hell. They used rouses to lure children into their car and then sexually assaulted and murdered them. In part one, we cover the early lives of these monsters and the victims whose lives were ended too soon. How could they kill so many kids with no remorse? More importantly, why?

It’s hard to find a man who wears the face of everyone. Turning in even their own fathers, people across America were desperate to find this mystery man, fueled by a need for closure and vengeance. Tons of suspects came and went but none were charged. Were the glasses just another identity stolen?

It’s unclear when the children’s game, Bloody Mary came about. Hidden inside your mirror, a woman lies in wait for her next visitor seeking justice for her baby, her kingdom, or herself. Who inspired the chilling chant? More importantly, is she still out there lurking in your mirror?

On March 22, 1970, Kathleen Johns was abducted along with her 10 month old daughter and on her seven month of pregnancy. Throwing herself out of the car at an intersection and running to the police, she discovered that she could have possibly just encountered the infamous Zodiac Killer. This draws to light a new wave of cases being reconsidered and several more haunting letters. How many of these were actually the work of the Zodiac?

Haunting the lover’s lanes of Northern California in the early 70’s, a mystery man shot and stabbed his way into the local newspapers, with only cryptic codes and letters as clues to his identity. During part one we see who got away, and who wasn’t so lucky. Can you follow the path of the Zodiac Killer?

A mother’s worst nightmare is losing her child. Unfortunately Lessie Dunbar’s nightmare became reality on August 13, 1912. Bobby Dunbar went fishing with family and friends and never returned. However a year later a boy appeared and was crowned the missing son. Was he really Bobby Dunbar? Or did something much more sinister happen to him?

Throughout the 1890’s, people began to disappear from the city of Chicago. Within the Murder Castle, a building with over 100 rooms, sliding walls, hallways leading to nothing, and several torture chambers, H. H. Holmes harvested innocent victims’ bones and organs to be sold on the black market. But that wasn’t his only crime. Who was the Beast of Chicago before his hotel, and where did he run?

From 1998-1999, a man posing as a plastic surgeon in Miami Beach mutilated his clients and gave them anything other than what they asked for. Reinaldo Silvestre used crude equipment such as spatulas, cake cutters, and latex gloves to poke and prod inside his victims, leaving them in pain and with permanent scars. Why would a man do such a thing? Pure greed or a perverted mind?

From 1987-1991, children in the districts of Melbourne, Australia would live in fear of a pedophilic rapist known only to this day as Mr. Cruel. He would break into their homes wearing a chilling balaclava mask and abduct and assault them repeatedly. The absence of forensic evidence is the reason the case remains unsolved to this day and the bounty on this man’s head repeatedly grows over the years. Who is the terrifying Mr. Cruel?